.attr_sec_box{display:none}
.products_detail_box .prod_info_form li.attr_show .btn_attr.relative:hover .attr_sec_box{display:block;    position: absolute;background: #fff;padding: 10px;bottom: 110%;width: 200px;box-shadow: #ddd 0 0 10px 6px;left:50%;transform:translateX(-40%);}
.products_detail_box .prod_info_form li.attr_show .btn_attr.relative:hover .attr_sec_box i{    display: block;
    content: "";
    width: 0;
    height: 0;
    border-left: 4px transparent solid;
    border-right: 4px transparent solid;
    border-top: 8px #fff solid;
    position: absolute;
    bottom: -8px;
    left: 50%;}